Saskatchewan Dividend Tax Credit

changelog_entry.yaml

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+- bump: minor
+  changes:
+    added:
+    - Saskatchewan dividend tax credit.

policyengine_canada/parameters/gov/provinces/sk/tax/income/credits/dividend_tax_credit/eligible_cal_percent.yaml

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+description: Saskatchewan applies this weight percentage on the eligible taxable amount of dividends in calculating the total dividend tax credit.
+values: 
+  2022-01-01: 0.01695
+metadata:
+  unit: /1
+  period: year
+  label: Saskatchewan eligible taxable amount of dividends' weight percentage
+  reference: 
+  - title: 5008-D Worksheet SK428 - Saskatchewan 2022 
+    href: https://www.canada.ca/content/dam/cra-arc/formspubs/pbg/5008-d/5008-d-22e.pdf #page=3
+  - title: Sasktachewan The Income Tax Act, 2000, Dividend credit, c25, s.13; 2020, c3-29*, s.3; 2022, c46, s.3.
+    href: https://pubsaskdev.blob.core.windows.net/pubsask-prod/806/I2-01.pdf #page=31

policyengine_canada/parameters/gov/provinces/sk/tax/income/credits/dividend_tax_credit/other_than_eligible_cal_percent.yaml

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+description: Saskatchewan applies this weight percentage on the other than eligible taxable amount of dividends in calculating the total dividend tax credit.
+values: 
+  2022-01-01: 0.11
+metadata:
+  unit: /1
+  period: year
+  label: Saskatchewan other than eligible taxable amount of dividends' weight percentage
+  reference: 
+  - title: 5008-D Worksheet SK428 - Saskatchewan 2022 
+    href: https://www.canada.ca/content/dam/cra-arc/formspubs/pbg/5008-d/5008-d-22e.pdf #page=3
+  - title: Sasktachewan The Income Tax Act, 2000, Dividend credit, c25, s.13; 2020, c3-29*, s.3; 2022, c46, s.3.
+    href: https://pubsaskdev.blob.core.windows.net/pubsask-prod/806/I2-01.pdf #page=31

policyengine_canada/tests/gov/provinces/sk/tax/income/credits/sk_dividend_tax_credit.yaml

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+- name: 2022 Saskatchewan Dividend Tax Credit Test 1
+  period: 2022
+  input:
+    province_code: SK
+    taxable_dividend_income: 15_000
+    other_than_eligible_taxable_dividend_income: 1_000
+  output:
+    sk_dividend_tax_credit: 347.3
+
+- name: 2022 Saskatchewan Dividend Tax Credit Test 2
+  period: 2022
+  input:
+    province_code: SK
+    taxable_dividend_income: 20_000
+    other_than_eligible_taxable_dividend_income: 2_000
+  output:
+    sk_dividend_tax_credit: 525.1
+
+- name: 2022 Saskatchewan Dividend Tax Credit Test 3
+  period: 2022
+  input:
+    province_code: SK
+    taxable_dividend_income: 28_000
+    other_than_eligible_taxable_dividend_income: 2_800
+  output:
+    sk_dividend_tax_credit: 735.14

policyengine_canada/variables/gov/provinces/sk/tax/income/credits/sk_dividend_tax_credit/other_than_eligible_taxable_dividend_income.py

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+from policyengine_canada.model_api import *
+
+
+class other_than_eligible_taxable_dividend_income(Variable):
+    value_type = float
+    entity = Person
+    label = "Taxable Dividends (Other Than Eligible)"
+    unit = CAD
+    definition_period = YEAR
+    reference = "https://www.canada.ca/content/dam/cra-arc/formspubs/pbg/5008-d/5008-d-22e.pdf#page=3"
+    defined_for = ProvinceCode.SK

policyengine_canada/variables/gov/provinces/sk/tax/income/credits/sk_dividend_tax_credit/sk_dividend_tax_credit.py

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+from policyengine_canada.model_api import *
+
+
+class sk_dividend_tax_credit(Variable):
+    value_type = float
+    entity = Person
+    label = "Saskatchewan Dividend Tax Credit"
+    unit = CAD
+    definition_period = YEAR
+    reference = "https://www.canada.ca/content/dam/cra-arc/formspubs/pbg/5008-d/5008-d-22e.pdf#page=3"
+    defined_for = ProvinceCode.SK
+
+    def formula(person, period, parameters):
+        p = parameters(
+            period
+        ).gov.provinces.sk.tax.income.credits.dividend_tax_credit
+
+        taxable_dividends = person("taxable_dividend_income", period)
+        other_than_eligible_taxable_dividends = person(
+            "other_than_eligible_taxable_dividend_income", period
+        )
+
+        eligible_taxable_dividends_weight_percent = p.eligible_cal_percent
+        other_than_eligible_taxable_dividends_weight_percent = (
+            p.other_than_eligible_cal_percent
+        )
+
+        credits_on_eligible_taxable_dividends = (taxable_dividends - other_than_eligible_taxable_dividends) * eligible_taxable_dividends_weight_percent
+        credits_on_other_than_eligible_taxable_dividends = other_than_eligible_taxable_dividends * other_than_eligible_taxable_dividends_weight_percent
+
+        return (
+            credits_on_eligible_taxable_dividends + credits_on_other_than_eligible_taxable_dividends
+        )

policyengine_canada/variables/gov/provinces/sk/tax/income/credits/sk_dividend_tax_credit/taxable_dividend_income.py

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+from policyengine_canada.model_api import *
+
+
+class taxable_dividend_income(Variable):
+    value_type = float
+    entity = Person
+    label = "Taxable Dividends (eligible and other than eligible)"
+    unit = CAD
+    definition_period = YEAR
+    reference = "https://www.canada.ca/content/dam/cra-arc/formspubs/pbg/5008-d/5008-d-22e.pdf#page=3"
+    defined_for = ProvinceCode.SK